recommend_product.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using Meiqi.BusinessLogicLayer;

public partial class recommend_product : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //显示产品大类
            string strSql = "";
            strSql = "select MajorID,MajorName from cai_MajorClass order by MajorSortID";

            DataView dvlist = cai_MajorClass.QueryMajorClass(strSql); 
            ShowMajorClass.DataSource = dvlist;
            ShowMajorClass.DataBind();


            bindData();
        }
    }

    void bindData()
    {
        string strSql = "";
        strSql = "select ProductID,ProductName,Model,MajorID,SubID,PicPathSmall,PicPathBig,RetailPrice,IsRecommended,IsSpecial,IsDeleted,AddTime From cai_Product2 where IsRecommended=1 and IsDeleted=0 order by IsRecommended desc,ProductID desc";

        DataView dvlist1 = cai_Product2.QueryProduct2(strSql);
        ProductList.DataSource = dvlist1;
        AspNetPager2.RecordCount = dvlist1.Table.Rows.Count;
        //Session["dvlist1"] = dvlist1;

        PagedDataSource pds = new PagedDataSource();
        pds.AllowPaging = true;
        pds.PageSize = AspNetPager2.PageSize;
        pds.CurrentPageIndex = AspNetPager2.CurrentPageIndex - 1;
        //pds.DataSource = (DataView)Session["dvlist1"];
        pds.DataSource = dvlist1;
        ProductList.DataSource = pds;
        ProductList.DataBind();
    }

    protected void AspNetPager1_PageChanged(object sender, EventArgs e)
    {
        bindData();
    }

    protected void ShowMajorClass_ItemDataBind(object sender, DataListItemEventArgs e)